P202F

47FF - P202F

Information saved in
DDE

Fault code
47FF - P202F

Fault text
DDE: Reducing-agent metering valve, activation: Output
stage, overtemperature

Fault description
The DDE recognizes an over-temperature fault in the output
stage:
Metering module.

Condition for fault identification
Test condition:
The check frequency depends on the process sequence
control.
Voltage condition:
The check frequency depends on the process sequence
control.

Condition for fault memory entry
Debounce (1000 ms)

Action in service
Check E-Box fan/DDE cooling. If E-Box fan/DDE cooling
are OK:
2. Replace DDE control module.

Fault effect and breakdown warning
-

Driver information
Warning light:
MIL

Service instruction
none